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  • Title: Comparison of intracervical and intravaginal misoprostol for cervical ripening and labour induction in patients with an unfavourable cervix.
    Author: Srisomboon J, Piyamongkol W, Aiewsakul P.
    Journal: J Med Assoc Thai; 1997 Mar; 80(3):189-94. PubMed ID: 9175387.
    Abstract:
    OBJECTIVE: To compare the efficacy of intracervical versus intravaginal misoprostol for cervical ripening and labour induction at term in patients with an unfavourable cervix. METHOD: A total of 100 pregnant women with indications for induction of labour and unfavourable cervix (Bishop score < or = 4) were randomly assigned to receive either 100 ug misoprostol administered intracervically (50 cases) or intravaginally (50 cases). RESULTS: No significant differences were noted between intracervical and intravaginal misoprostol in terms of Bishop score change, (score 7.2 vs score 7.5), interval from gel insertion to vaginal delivery (17.0 hours vs 16.4 hours), meperidine as analgesic requirement (80% vs 76%), route of delivery and perinatal outcome. Uterine tachysystole occurred in 24 per cent and 32 per cent in the intracervical and intravaginal groups respectively which did not significantly differ, however, all could be rapidly resolved by terbutaline injection. No evidence of fetal distress was noted in these events. Spillage of gel out of the cervix was observed in 70 per cent of patients receiving intracervical misoprostol. Fever was observed in one patient of each group. No other serious side effects were found in both groups. One patient in the intravaginal group had postpartum hemorrhage due to delayed placental separation and uterine atony. CONCLUSION: The two routes of misoprostol gel application appear to be safe and equally effective in ripening cervix and inducing labour, however, the intravaginal application is more convenient to administer practically compared with the intracervical.
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